Roy Keane had Jurgen Klopp in fits of laughter on the Old Trafford side line as he brought up an old argument between the pair.
Keane and Klopp clashed back in September 2020 while Keane worked for Sky Sports covering Liverpool's clash against Arsenal.
Liverpool would go on to win 3-1 with goals from Sadio Mane, Andy Robertson Diogo Jota but Keane brnaded their performance as 'sloppy'.
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The remark caused Jurgen Klopp in his post match interview to take aim at Keane in a tense affair.
And the pair were reunited on the Old Trafford side line before Liverpool's clash with Manchester United.
And while interviewing Klopp, Keane jested that Liverpool have been sloppy up to this point.
The Liverpool manager burst into laughter alongside presenter David Jones, Gary Neville and Jamie Carragher.
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